MESON Chess Problem Database

Problem Display
PID: 228789 (bQ6/8/2k1K3/8/PP6/8/8/8 w - - 0 1)

Matthaus, Hans Georg

Deutsche Schachzeitung, 1968

bQ6/8/2k1K3/8/PP6/8/8/8

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Qd6#
  • Tries
    • 1.Ke5?
      • 1...Bb7
        • 2.Qd6#
      • 1...Kd7!
    • 1.Ke7?
      • 1...Bb7
        • 2.Qd6#
      • 1...Kd5!
    • 1.Qd8?
      • 1...Bb7
        • 2.Qd6#
      • 1...Kb7!
  • Keys
    • 1.Qa7!
      • 1...Bb7
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::QAR1(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • B(b);SBLOCK::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • B(b);SBLOCK::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • B(b);SBLOCK::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • B(b);SBLOCK::QAR1(D)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).